Results 21 to 30 of about 58,793 (262)

First-principles predicted low-energy structures of NaSc(BH4)4 [PDF]

open access: yes, 2014
According to previous interpretations of experimental data, sodium-scandium double-cation borohydride NaSc(BH$_4$)$_4$ crystallizes in the crystallographic space group $Cmcm$ where each sodium (scandium) atom is surrounded by six scandium (sodium) atoms.
Huan Doan Tran   +5 more
core   +2 more sources

Synthesis of a New Series of N,N’-Dimethyltetrahydrosalen (H2 [H2Me]salen) Ligands by the Reductive Ring-Opening of 3,3'-Ethylene-bis(3,4-dihydro-6-substituted-2H-1,3-benzoxazines)

open access: yesMolecules, 2010
A new series of N,N'-bis(2'-hydroxy-5'-substituted-benzyl)-N,N´-dimethylethane-1,2-diamines (N,N'-dimethyltetrahydrosalen) ligands were prepared in good yield by reduction of the respective 3,3'-ethylene-bis(3,4-dihydro-6-substituted-2H-1,3-benzoxazine ...
Augusto Rivera   +4 more
doaj   +1 more source

An efficient green synthesis of UNA-nucleoside-5′-triphosphates: A versatile synthon for RNA modification with broad therapeutic potential

open access: yesResults in Chemistry, 2023
A facile, reliable, and an efficient “one-pot, two-step” method for the gram-scale chemical synthesis of UNA-nucleoside-5′-triphosphate, starting from the commercially available nucleoside-5′-triphosphate is described.
Muthian Shanmugasundaram   +2 more
doaj   +1 more source

Synthesis and properties of nickel-cobalt-boron nanoparticles [PDF]

open access: yes, 2005
morphous cobalt nickel boride nanoparticles were synthesised by chemical reduction synthesis in aqueous solution. Careful control of synthesis conditions and post reaction oxidation enabled the nanoparticles to be converted into a core-shell structure ...
Pankhurst, QA, Parkin, IP, Patel, J
core   +1 more source

Carotenoid triplet state formation in Rhodobacter sphaeroides R-26 reaction centers exchanged with modified bacteriochlorophyll pigments and reconstituted with spheroidene [PDF]

open access: yes, 1993
Triplet state electron paramagnetic resonance (EPR) experiments have been carried out at X-band on Rb. sphaeroides R-26 reaction centers that have been reconstituted with the carotenoid, spheroidene, and exchanged with 132-OH-Zn-bacteriochlorophyll a and
Chynwat, V.   +5 more
core   +1 more source

Synthesis of Platinum Nanoparticles Supported on Fused Nanosized Carbon Spheres Derived from Sustainable Source for Application in a Hydrogen Generation Reaction

open access: yesNanomaterials, 2023
The dwindling supply of fossil fuels has prompted the search for an alternative energy source that could effectively replace them. Potential renewable energy sources such as solar, wind, tidal, and geothermal are all promising but each has its own ...
Erik Biehler   +2 more
doaj   +1 more source

Specific radioactive labeling of terminal N-acetylgalactosamine of glycosphingolipids by the galactose oxidase–sodium borohydride method

open access: yesJournal of Lipid Research, 1972
The galactose oxidase–sodium borohydride method was used to specifically label the terminal N-acetylgalactosamine of three glycosphingolipids, Gm2-ganglioside, asialo-Gm2-ganglioside, and globoside.
Yoshiyuki Suzuki, Kunihiko Suzuki
doaj   +1 more source

Development of polymeric hollow fiber membranes containing catalytic metal nanoparticules. [PDF]

open access: yes, 2010
Metal nanoparticles (MNPs) have unique physico-chemical properties advantageous for catalytic applications which differ from bulk material. However, the main drawback of MNPs is their insufficient stability due to a high trend for aggregation.
Bruening, Merlin L.   +5 more
core   +4 more sources

Comparative Synthesis of Copper Nanoparticles Using Various Reduction Methods: Size Control, Stability, and Environmental Considerations [PDF]

open access: yesE3S Web of Conferences
The present work investigates three strategies for the production of copper nanoparticles (CuNPs): sodium borohydride reduction, ascorbic acid reduction, and reduction without reducing agent. Analyzed were the size distribution, stability, and ecological
Aleksandrovskiy Maxim   +7 more
doaj   +1 more source

Synthesis and antibacterial effects of cobalt–cellulose magnetic nanocomposites [PDF]

open access: yes, 2017
© The Royal Society of Chemistry. Green synthesis is employed to prepare cobalt/cellulose nanocomposites with cubic (α-cobalt) cobalt as a main component with antibacterial and magnetic properties. An in situ reduction of aqueous solutions of cobalt ions
Alahmadi, N. S.   +12 more
core   +2 more sources

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